Home / 30,332.04-45,508.44-18,509.52

Finding the Fourth Proportional to 30,332.04, 45,508.44 and 18,509.52

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Solution

The fourth proportional to 30,332.04, 45,508.44 and 18,509.52 is: 27,770.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332.04 : 45,508.44 = 18,509.52 : x
  2. Step 2: Convert to fraction form
    30,332.04/45,508.44 = 18,509.52/x
  3. Step 3: Cross multiply
    30,332.04x = 45,508.44 × 18,509.52
  4. Step 4: Simplify right side
    30,332.04x = 842,339,380.35
  5. Step 5: Solve for x
    x = 842,339,380.35/30,332.04
  6. Step 6: Final answer
    x = 27,770.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.